Base | Representation |
---|---|
bin | 110111000010… |
… | …0010111101110 |
3 | 2000021220220010 |
4 | 1232010113232 |
5 | 24341304432 |
6 | 2510234050 |
7 | 500152461 |
oct | 156042756 |
9 | 60256803 |
10 | 28853742 |
11 | 15318275 |
12 | 97b5926 |
13 | 5c93328 |
14 | 3b912d8 |
15 | 27ee3cc |
hex | 1b845ee |
28853742 has 16 divisors (see below), whose sum is σ = 60744960. Its totient is φ = 9111672.
The previous prime is 28853729. The next prime is 28853749. The reversal of 28853742 is 24735882.
It is a self number, because there is not a number n which added to its sum of digits gives 28853742.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28853749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126438 + ... + 126665.
It is an arithmetic number, because the mean of its divisors is an integer number (3796560).
Almost surely, 228853742 is an apocalyptic number.
28853742 is an abundant number, since it is smaller than the sum of its proper divisors (31891218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28853742 is a wasteful number, since it uses less digits than its factorization.
28853742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253127.
The product of its digits is 107520, while the sum is 39.
The square root of 28853742 is about 5371.5679275236. The cubic root of 28853742 is about 306.7143165298.
The spelling of 28853742 in words is "twenty-eight million, eight hundred fifty-three thousand, seven hundred forty-two".
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